The X1 employs a shard-based security model using cards with secure elements, to guard against the threat of wrench attacks.

Blockchain technology has made digital currency transactions increasingly accessible. However, as the number of crypto ...

Arkham exposes 97% of Saylor's Bitcoin wallets, igniting debate over centralization risks and transparency in crypto markets.

Paper presents three different ways in which a user can manage bitcoins. We attempt to identify the security risk and feasible attacks on these configurations of bitcoin management. We have shown that ...